3 calibration points: -18 / 0 / +60&nbsp;&deg;C

3 calibration points: 0 / +150 / +300 &deg;C

3 calibration points: -20 / 0 / +60&nbsp;&deg;C

3 calibration points: 0 / +100 / +200 °C

The testo 175 T3 temperature logger with its two connections for external thermocouple probes is a good idea when you would like to record your temperatures at two locations in parallel: for example when measuring the flow and return temperature on radiators. The readings are securely saved in the temperature logger and are available for later measurement data analysis and documentation.

The testo 176 T4 data logger can measure the temperature at up to four different measurement sites simultaneously. It also has a super size memory for up to 2&#x202F;000&#x202F;000 readings, an exceptionally wide measurement range and is compatible with a number of different thermocouple elements making it ideal for professional use in a variety of different fields.

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements &ndash; thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

Kit for carrying out measurements at air outlets: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 100 mm) with Bluetooth&reg; including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 16 mm) are safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts and at air outlets: The testo 440 air velocity and IAQ measuring instrument, the vane probe (Ø 100 mm) with Bluetooth&reg; including temperature sensor and the hot wire probe including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts and at air outlets: The testo 440 air velocity and IAQ measuring instrument, the vane probe (Ø 100 mm) with Bluetooth&reg; including temperature sensor and the vane probe (Ø 16 mm) are all safely stowed away in the case. So you can get down to work straight away!

Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO2 probe with Bluetooth&reg; including temperature and humidity sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the hot wire probe (Ø 9 mm) including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps. Keep the testo 440 air velocity and IAQ measuring instrument and the humidity/temperature probe with Bluetooth&reg; safely stowed away in the case. So you can get down to work straight away!

Use this practical Indoor Comfort ComboKit to handle all relevant measurements in order to evaluate the indoor air quality in indoor areas and to determine the draught risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument, the CO2 probe with Bluetooth&reg; including temperature and humidity sensor and the turbulence probe are all safely stowed away in the case. So you can get down to work straight away!

Kit for measuring the illuminance in workplaces, for example in offices or in production areas. Keep the testo 440 air velocity and IAQ measuring instrument and a lux probe safely stowed away in the case. So you can get down to work straight away!

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements &ndash; thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor and the 100 mm vane probe head and hot wire probe head (Ø 9 mm) for attachment to the universal Bluetooth&reg; handle supplied. To make measurements more convenient, both probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.

Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor, two vane probe heads (Ø 100 mm and Ø 16 mm) and a humidity/temperature probe head – all three can be attached to the universal Bluetooth&reg; handle supplied. To make measurements more convenient, both vane probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.

Kit for carrying out measurements in laboratories: The testo 440 air velocity & IAQ measuring instrument and the glass-coated, digital laboratory probe (Ø 6 mm) with Pt100 temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

The testo 635-1 temperature and humidity measuring instrument enables you to measure the temperature, air humidity and dew point – in compressed air as well. State-of-the-art technology and a large selection of probes, which are available as an option, enable this wide variety of measuring possibilities.

The testo 635-2 temperature and moisture meter allows you to carry out temperature and moisture measurements on a variety of different materials, surfaces and environments. This is made possible due to leading-edge technology and a wide selection of optionally available sensors.

The testo 915i temperature kit with temperature probes will enable you to tackle your temperature measurements with greater speed, flexibility and ease: Included is a wireless thermometer testo 915i, an air probe, an immersion/penetration probe and a surface probe (all TC type K, class 1). The handle is compatible with all standard type K thermocouple probes – making it versatile. Thanks to Bluetooth and the testo Smart App, operation, evaluation and documentation can be carried out with exceptional ease and flexibility.

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This component is part of the environmental monitoring system testo Saveris 1. The modular system records and analyzes your critical environmental data, alerts you immediately if limit values are violated and can help you optimize your processes.

The testo 400 is the universal measuring instrument for all IAQ professionals. Measure, analyze and document all IAQ and comfort level parameters using just one instrument – simply, conveniently and in compliance with the standards. High-quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of IAQ probes make the testo 400 the perfect partner for your day-to-day work.

Ideal kit for IAQ professionals, with a focus on indoor air quality and comfort level. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one CO₂ probe (with Bluetooth&reg; handle), one turbulence probe and one globe thermometer Ø 150 mm (both with fixed cable). Use the measuring tripod to ensure standard-compliant positioning of the probes. In combination with the IAQ data logger, which is available to order separately, long-term measurements up to 2 weeks can be recorded, even without the IAQ measuring instrument.

Ideal kit for IAQ professionals, with a focus on air flow measurement. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one vane probe head (Ø 16 mm), one vane probe head (Ø 100 mm) and one high-precision humidity/temperature probe head – all three can be attached to the Bluetooth&reg; handle supplied. For measurements at ceiling outlets, simply combine the 100 mm vane probe with the telescope (can be extended up to 1.0 m) and the 90° angle.

Ideal kit for IAQ professionals, with a focus on air flow measurement. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one hot wire probe head (including temperature and humidity sensor), one vane probe head (Ø 100 mm) and one high-precision humidity/temperature probe head – all three can be attached to the Bluetooth&reg; handle supplied. For measurements at ceiling outlets, simply combine the 100 mm vane probe with the telescope (can be extended up to 1.0 m) and the 90° angle.

Measure temperatures in liquids, semi-solid media and pastes: The wireless thermometer testo 915i with robust, fast-response immersion/penetration probe will enable you to tackle your temperature measurements with greater speed, flexibility and ease. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes – making it versatile.

Ideal for measuring ambient temperature and temperatures in ducts or at air outlets: The wireless thermometer testo 915i with robust, fast-response air probe will enable you to tackle your temperature measurements with greater speed, flexibility and ease. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes – making it versatile.

The wireless thermometer testo 915i with flexible probe will enable you to tackle your temperature measurements with greater speed, flexibility and ease. For instance, the flexible thermocouple wire can be laid through drill holes, gaps or door seals to measure the air temperature. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes – making it versatile.

The testo 915i wireless thermometer with fast-response air probe and sprung thermocouple strip will enable you to tackle your temperature measurements with greater speed, flexibility and ease, even when dealing with uneven surfaces. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes – making it versatile.

With the compact 2-channel temperature measuring instrument testo 922 (dual TC Type K, 2 probes,&nbsp;Class 1 included) you have the versatile solution for simple, fast and precise measurement of the differential temperature, e.g. when checking the supply/return temperature on heating circuit manifolds. The testo Smart App supports you with useful functions suchz as configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

With the compact temperature measuring instrument testo 925 (1 TC Type K probe, Class 1 included), you have the versatile solution for simple, fast and precise temperature measurements in industry and trade. The testo Smart App supports you with useful functions suchz as configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

Ultimate kit for all-round engineers in the field of heating, air conditioning, refrigeration and ventilation: The kit contains all the testo Smart Probes and is ideal for carrying out functional checks or for plant maintenance, in conjunction with your smartphone/tablet. The testo Smart App enables you to work more easily and efficiently: Automatically calculate numerous parameters such as superheating/subcooling, target superheat, cooling/heating power or differential temperature. Measurement data reports can be emailed directly as a PDF or Excel file.

The thermoelectric couple is ideal for fast and easy measurement of the air temperature. The flexible thermocouple wire can for instance be laid through drill holes, gaps or door seals.Use the flexible thermoelectric couple with glass fibre insulation, for example to measure climate cabinets, hardening or drying ovens.

Flexible thermoelectric couple with glass fibre insulation for fast and easy measurement of the air temperature.

Temperature - TC Type K (NiCr-Ni)	Measuring range -50 to +400 °C
	Accuracy Class 2 ¹⁾
	Reaction time 5 s
1) According to standard EN 60584-1, the accuracy of Class 1 refers to -40 to +1000 °C (Type K), Class 2 to -40 to +1200 °C (Type K), Class 3 to -200 to +40 °C (Type K).

General technical data	Weight 30 g
	Product colour silver; Black
	Diameter probe shaft 1.5 mm
	Product-/housing material glass fibre
	Length probe shaft 1,500 mm

Flexible thermoelectric couple - with TC type K temperature sensor (glass fibre)

Flexible thermoelectric couple - with TC type K temperature sensor (glass fibre)

Temperature - TC Type K (NiCr-Ni)

Temperature - TC Type K (NiCr-Ni)

General technical data

General technical data

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